Synthesis of ansamycins: An approach to the naphthoquinone portion of the rifamycins and streptovaricins
作者:Kathlyn A. Parker、Joseph J. Petraitis
DOI:10.1016/0040-4039(81)80109-8
日期:1981.1
Naphthoquinone 1, a fully functionalized model for intermediates in ansamycinsynthesis, was prepared by the intramolecular Claisen condensation of benzofuran 9 followed by oxidation of the novel tricyclic compound 10.